Explosion -proof gourd: use aluminum bronze and 铍 bronze as a rough, and the hand -pinoccal shell is used in H62 copper alloy material anti -explosion -proof hand stubbuku is suitable for flammable and flammable occasions, such as chemical industry, maritime and other operations.

The rotating gears of explosion -proof gourds have been treated with high temperature heat treatment to achieve high wear resistance. Explosion -proof hand pour the bracelet is small and light for its own weight. It is easy to carry and looks beautiful in appearance. The size is small and durable.